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Fair Value Measurements (Tables) | 9 Months Ended
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Jun. 30, 2012
Fair Value Measurements [Abstract] |
Fair value of our assets and liabilities that were accounted for at fair value on a recurring basis |
|  | Fair Value Measurements at June 30, 2012 |  |  |  |
|  | Quoted Prices in Active Markets for Identical Assets |  |  | Significant Other Observable Inputs |  |  | Significant Unobservable Inputs |  |  | Fair Value at |
|  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  | June 30, 2012 |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents |  | $ | 45,768 |  |  | $ | — |  |  | $ | — |  |  | $ | 45,768 |
Foreign currency forward contracts |  |  | — |  |  |  | 10 |  |  |  | — |  |  |  | 10 |
Total |  | $ | 45,768 |  |  | $ | 10 |  |  | $ | — |  |  | $ | 45,778 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency forward contracts |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Total |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
|  | Fair Value Measurements at September 30, 2011 |  |  |  |
|  | Quoted Prices in Active Markets for Identical Assets |  |  | Significant Other Observable Inputs |  |  | Significant Unobservable Inputs |  |  | Fair Value at |
|  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  | September 30, 2011 |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents |  | $ | 65,792 |  |  | $ | — |  |  | $ | — |  |  | $ | 65,792 |
Total |  | $ | 65,792 |  |  | $ | — |  |  | $ | — |  |  | $ | 65,792 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency forward contracts |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Total |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 + Details
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